package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
     * 动态条件查询
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
     * 根据 id 修改购物车商品数量
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /*
     * 插入购物车数据
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "VALUES (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime}) ")
    void insert(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long userId);


    void delete(ShoppingCart shoppingCart);

    /**
     * 向购物车表批量插入数据
     * @param shoppingCarts
     */
    void insertBatch(List<ShoppingCart> shoppingCarts);
}
